Use this kit to customize the weight and balance of Donnay racquets. Kit includes three slide weights, two different weight buttcaps, key tool and dampener. This kit works only on Donnay racquets. Kit does not fit on the Pro One 18x20 or the Formula 100 racquets.

Each slide weight weighs 3 grams and can be used in any combination to put more weight in the head of the racquet

One buttcap weighs 5 grams, and the other weighs 10 grams

Key tool helps remove the buttcaps as well as the installation of the slide weights